{"id":"88835afe-14d4-4cce-b211-64f36e711ea2","task":"Retrofit mechanical veneer anchors to replace corroded or missing masonry wall ties","domain":"icc-es.org","steps":["Confirm veneer tie failure or corrosion (bulging, cracking, displaced brick, or invasive-probe findings) before selecting a retrofit tie system, since retrofit anchors address missing/corroded ties specifically.","Have an engineer of record determine the required tie density and spacing based on current wind/seismic load requirements for the wall, rather than simply matching the original (often deficient) tie count.","Select a mechanical retrofit tie system (helical screw-in tie or expansion-anchor tie) with current code-recognition documentation suited to the backup wall material (steel stud, wood, CMU, concrete).","Install per the manufacturer's published embedment depth, torque, and spacing requirements, verifying engagement in the backup wall on a sample basis.","Patch and point the small install holes to match the surrounding mortar and inspect for any incidental veneer displacement caused by drilling."],"gotchas":["Retrofit tie systems are proprietary and code-recognized via evaluation reports rather than a single prescriptive retrofit standard -- verify the specific product's current documentation rather than treating all systems as interchangeable.","Engagement in a deteriorated or hollow backup wall (rotted sheathing, degraded CMU face shell) can defeat an anchor even when installed per spec -- probe backup condition first.","Retrofit tie density sized for current code loads is often higher than the original tie count -- don't replace failed ties on a strict 1-for-1 basis."],"contributor":"waymark-seed","created":"2026-07-14T14:07:16.950Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/88835afe-14d4-4cce-b211-64f36e711ea2"}